Roadbed earthwork filling equipment with anti-blocking function
By introducing a mixing rod and vibration component into the roadbed earthwork filling equipment, combined with the guide rod and tension spring of the spiral feeding structure, the problem of material blockage in the equipment was solved, achieving efficient material conveying and improved construction efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 陕西省交通规划设计研究院有限公司
- Filing Date
- 2026-01-09
- Publication Date
- 2026-04-10
AI Technical Summary
Existing roadbed earthwork filling equipment is prone to blockage due to crushed stone getting stuck when using spiral conveyor structures, which affects construction efficiency and requires downtime for maintenance.
The system employs a mixing rod and a vibration assembly in conjunction with a spiral feeding structure. The rotation of the mixing rod drives the rotating frame to vibrate the mixing chamber. The vibration of the mixing chamber is achieved by the cooperation of the sliding rod and the wedge block. Combined with the guide rod and tension spring design of the feeding roller, the feeding roller is separated to prevent material from getting stuck, and the jamming state is automatically released.
It effectively prevents materials from getting stuck in the discharge pipe, improves construction efficiency, reduces downtime for maintenance, and enhances the equipment's anti-clogging function.
Smart Images

Figure CN224106434U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to roadbed filling equipment technical field, specifically a kind of roadbed earth and stone filling equipment with anti-blocking function. BACKGROUND
[0002] Roadbed is the basis of track or pavement, and is a soil engineering structure formed by excavation or filling. During the construction of roadbed earth and stone filling, filling equipment is needed. The filling equipment mixes materials, which are usually a mixture of cement and gravel. However, during the filling process, if the materials flow to the roadbed directly by their own weight, the materials will accumulate near the filling equipment. Finally, construction workers have to disperse and fill the accumulated materials. This method is very slow in construction efficiency. To improve construction efficiency, general filling equipment increases a spiral conveying structure. However, since the materials contain gravel, the spiral conveying structure may be jammed by gravel. Once the spiral conveying structure is jammed, it will cause a blockage problem. At this time, the staff needs to stop and repair, which greatly affects work efficiency. Therefore, the utility model provides a roadbed earth and stone filling equipment with anti-blocking function to solve the above problems. SUMMARY
[0003] The utility model aims to provide a roadbed earth and stone filling equipment with anti-blocking function to solve the problems in the background.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0005] A roadbed earth and stone filling equipment with anti-blocking function includes a support frame. The upper end of the support frame is fixedly connected with a mixing bin. The upper end of the mixing bin is rotatably connected with a top cover for preventing materials from splashing. The upper end of the mixing bin is fixedly connected with a feeding hopper for facilitating feeding.
[0006] The upper end of the support frame is also fixedly installed with a power motor for providing mixing power for the mixing bin. The output end of the power motor is connected with a gearbox. The inside of the mixing bin is rotatably connected with two stirring rods. The outer wall of the stirring rod is also fixedly connected with a plurality of stirring blades. The two ends of the two stirring rods are located outside the mixing bin. The end of the stirring rod close to the power motor is fixedly connected with a driven gear. The driven gear is connected with the output end of the gearbox.
[0007] The two groups of vibration assemblies for improving the mixing effect are symmetrically and fixedly connected to one end of the mixing bin away from the power motor, a discharge port is formed in the lower end of the mixing bin, a discharge pipe is also fixedly connected to the lower end of the discharge port, a spiral feeding structure is installed in the discharge pipe, a driving motor is also fixedly connected to the lower end of the supporting frame, and the output shaft of the driving motor is connected with the spiral feeding structure;
[0008] The spiral feeding structure comprises a plurality of feeding rollers, a spiral blade is fixedly connected to the outer wall of each feeding roller, a guide rod is fixedly connected to one end of the feeding roller, and a corresponding slot is formed in the other end of the feeding roller;
[0009] The two adjacent feeding rollers are connected through the guide rod and the corresponding slot, and a pulling spring is fixedly connected to the inside of the corresponding slot.
[0010] As a further scheme of the utility model, the pulling spring is fixedly connected with the guide rod inserted into the corresponding slot.
[0011] As a further scheme of the utility model, a cleaning head is also fixedly connected to the outer wall of the guide rod, and a plurality of discharging windows are also formed in the outer wall of the feeding roller, and the discharging windows are communicated with the corresponding slots.
[0012] As a further scheme of the utility model, a plurality of adjusting holes are formed in the outer wall of the feeding roller, a limiting screw is threadedly connected in each adjusting hole, and the limiting screws are arranged in a curve shape on the outer wall of the feeding roller.
[0013] As a further scheme of the utility model, the vibration assembly comprises a rotating frame, the rotating frame is sleeved at the end of the stirring rod away from the power motor, two threaded sleeves are symmetrically and threadedly connected in the inside of the rotating frame, a sliding rod is slidably connected in the threaded sleeve, a return spring is sleeved on the outside of the sliding rod, a vibration disc is also fixedly connected to the outer wall of the mixing bin, and a plurality of wedge blocks are fixedly connected to the outer wall of the vibration disc.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] 1、When the equipment is used, the rotating frame will rotate along with the stirring rod in the process that the stirring rod rotates in the mixing bin, the end of the sliding rod close to the wedge block will contact with the surface of the wedge block in the process that the rotating frame rotates, the sliding rod will slide in the threaded sleeve in the process that the sliding rod contacts with the wedge block, the return spring will be pulled in the process that the sliding rod slides, and the surface of the vibration disc will be instantaneously impacted by the sliding rod under the action of the return spring when the sliding rod is separated from the wedge block, so that the mixing bin is vibrated, and the mixing effect is further improved.
[0016] 2、the equipment of the utility model in the process of using, when the material is stuck in the discharge pipe, namely the stone in the material is stuck between the discharge pipe and the spiral blade, with the rotation of the driving motor, the plurality of feeding rollers will move under the reaction force of the stone, at this time, the two feeding rollers will separate, in the process of separating the two feeding rollers, the guide rod inserted in the corresponding slot will be subjected to the force of separating from the corresponding slot, at this time, the spiral blade will displace and then remove the material sticking state, when the feeding is restored, the two adjacent feeding rollers will reset under the action of the pulling spring, through this way, the material can be prevented from being stuck in the discharge pipe all the time, affecting the construction efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 It is a structural schematic view of a roadbed earthwork filling equipment with anti-blocking function.
[0018] Fig. 2 It is a side view of a roadbed earthwork filling equipment with anti-blocking function.
[0019] Fig. 3 It is an internal structure view of a mixing bin in a roadbed earthwork filling equipment with anti-blocking function.
[0020] Fig. 4 It is a structure view of a vibration assembly in a roadbed earthwork filling equipment with anti-blocking function.
[0021] Fig. 5 It is a structure view of a spiral feeding structure in a roadbed earthwork filling equipment with anti-blocking function.
[0022] Fig. 6 It is a split view of a spiral feeding structure in a roadbed earthwork filling equipment with anti-blocking function.
[0023] Fig. 7 It is a connection sectional view of a feeding roller and a guide rod in a roadbed earthwork filling equipment with anti-blocking function.
[0024] In the drawing: 1, support frame; 2, mixing bin; 3, top cover; 4, communication pipe; 5, feeding hopper; 6, gearbox; 7, power motor; 8, driven gear; 9, discharge pipe; 10, driving motor; 11, spiral feeding structure; 12, stirring rod; 13, stirring blade; 14, vibration assembly;
[0025] 110, feeding roller; 111, spiral blade; 112, guide rod; 113, cleaning head; 114, corresponding slot; 115, pulling spring; 116, discharge window; 117, adjusting hole; 118, limiting screw;
[0026] 140, swivel frame; 141, sliding rod; 142, return spring; 143, vibration disc; 144, wedge block; 145, threaded sleeve. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0028] Please refer to Figs. 1-3 In the embodiments of the utility model, a roadbed earth and stone filling equipment with anti-blocking function comprises a support frame 1, a mixing bin 2 is fixedly connected to the upper end of the support frame 1 through bolts, a top cover 3 for preventing material splashing is rotatably connected to the upper end of the mixing bin 2, an observation hole is formed in the upper end of the top cover 3, and the inside of the mixing bin 2 is conveniently observed through the observation hole; a feeding hopper 5 for feeding is fixedly connected to the upper end of the mixing bin 2, specifically, a communication pipe 4 is fixedly connected between the feeding hopper 5 and the mixing bin 2, and in order to increase the stability of the feeding hopper 5, a support rod is fixedly connected between the feeding hopper 5 and the support frame 1, and the support rod is connected with the support frame 1 and the feeding hopper 5 through bolts respectively.
[0029] A power motor 7 for providing mixing power for the mixing bin 2 is also fixedly installed at the upper end of the support frame 1, an output end of the power motor 7 is connected with a gearbox 6, two stirring rods 12 are rotatably connected inside the mixing bin 2, a plurality of stirring blades 13 are also fixedly connected to the outer wall of the stirring rod 12, the two ends of the two stirring rods 12 are located outside the mixing bin 2, and a driven gear 8 is fixedly connected to one end of the stirring rod 12 close to the power motor 7, and the driven gear 8 is connected with the output end of the gearbox 6.
[0030] Specifically, a belt pulley is fixedly connected to the output shaft of the power motor 7 and the input shaft of the gearbox 6, the two belt pulleys are connected through a belt, a belt tensioner is also installed at the upper end of the support frame 1, the stability of belt transmission can be increased through the belt tensioner, two output shafts are arranged at the output end of the gearbox 6, a power gear is fixedly connected to each output shaft of the gearbox 6, and the two power gears are engaged with the driven gear 8, wherein the belt tensioner and the gearbox 6 are prior art, and will not be described in detail here.
[0031] The mixing bin 2 is symmetrically fixed and connected with two groups of vibration assemblies 14 for improving mixing effect at one end away from the power motor 7, the lower end of the mixing bin 2 is provided with a discharge port, the lower end of the discharge port is fixedly connected with a butt joint pipe, the inside of the butt joint pipe is installed with a control valve, the lower end of the butt joint pipe is also fixedly connected with a discharge pipe 9, the inside of the discharge pipe 9 is installed with a spiral feeding structure 11, the lower end of the support frame 1 is also fixedly connected with a driving motor 10, the output shaft of the driving motor 10 is connected with the spiral feeding structure 11.
[0032] Please refer to Figs. 5-7 The spiral feeding structure 11 comprises a plurality of feeding rollers 110, the outer wall of each feeding roller 110 is fixedly connected with a spiral blade 111, a plurality of feeding rollers 110 are spliced with each other to form a complete spiral conveyor belt, one end of each feeding roller 110 is fixedly connected with a guide rod 112, the other end is provided with a corresponding slot 114, all the guide rods 112 are directed towards the discharge port of the discharge pipe 9, two adjacent feeding rollers 110 are connected through the guide rod 112 and the corresponding slot 114, the inside of the corresponding slot 114 is fixedly connected with a pulling spring 115, the pulling spring 115 is fixedly connected with the guide rod 112 inserted into the corresponding slot 114, the outer wall of the guide rod 112 is also fixedly connected with a cleaning head 113, the cleaning head 113 is conical, the inner wall of the corresponding slot 114 is treated with an inverted bevel, so that after the cleaning head 113 is inserted into the corresponding slot 114, the outer wall of the cleaning head 113 will be attached to the inner wall of the corresponding slot 114, a plurality of discharge windows 116 are provided on the outer wall of the feeding roller 110, the discharge windows 116 are communicated with the corresponding slot 114;
[0033] A plurality of adjusting holes 117 are provided on the outer wall of the feeding roller 110, a limiting screw 118 is threadedly connected in each adjusting hole 117, the limiting screws 118 are arranged in a curve shape on the outer wall of the feeding roller 110, a hexagonal groove is provided at one end of the limiting screw 118 located outside the feeding roller 110, the hexagonal groove facilitates the rotation of the limiting screw 118 by a wrench by the staff, the limiting screw 118 is inserted into the pulling spring 115 after being tightened and moving into the feeding roller 110, thereby limiting the extension length of the pulling spring 115, and controlling the elastic force of the pulling spring 115.
[0034] Please refer to Fig. 4, the vibration assembly 14 includes a rotating frame 140, the rotating frame 140 is sleeved at the end of the stirring rod 12 away from the power motor 7, specifically, the rotating frame 140 is connected with the stirring rod 12 through bolts, the inside of the rotating frame 140 is symmetrically screw-connected with two threaded sleeves 145, the threaded sleeve 145 is slidably connected with a sliding rod 141, the outside of the sliding rod 141 is sleeved with a reset spring 142, specifically, one end of the sliding rod 141 is fixedly connected with a fixed ball, the other end is fixedly connected with a baffle, the reset spring 142 is located between the rotating frame 140 and the baffle, the outer wall of the mixing bin 2 is also fixedly connected with a vibrating disc 143, the outer wall of the vibrating disc 143 is fixedly connected with a plurality of wedge blocks 144.
[0035] The working principle of the utility model is:
[0036] The device of the utility model is used, material is poured into the mixing bin 2, then power motor 7 is started, is driven stirring rod 12 rotation through gearbox 6 transmission, the process of stirring rod 12 rotation will utilize a plurality of stirring vane 13 to the material in mixing bin 2 is stirred and mixed, the process of stirring rod 12 rotation, rotating frame 140 will follow stirring rod 12 together rotation, the process of rotating frame 140 rotation, the end of sliding rod 141 close wedge block 144 will be in contact with the surface of wedge block 144, the process of sliding rod 141 and wedge block 144 contact will slide in threaded sleeve 145, the process of sliding rod 141 sliding will pull reset spring 142, when sliding rod 141 and wedge block 144 separate, under the action of reset spring 142, will instantaneously impact on the surface of vibrating disc 143, so that mixing bin 2 is vibrated, and further improve mixing effect, when not needing to utilize sliding rod 141 knock vibrating disc 143, can rotate threaded sleeve 145 and make it move away from vibrating disc 143 direction, and further make sliding rod 141 move away from wedge block 144 direction, and further avoid sliding rod 141 and wedge block 144 contact.
[0037] The mixed material is filled into the foundation pit through the discharge pipe 9, when the material (the mixture of cement and gravel) is stuck in the discharge pipe 9 (the stone in the material is stuck between the discharge pipe 9 and the spiral blade 111), with the rotation of the driving motor 10, the plurality of feeding rollers 110 will move under the reaction force of the stone (the spiral blade 111 will give the material a pushing force to move out of the discharge pipe 9, when the spiral blade 111 is stuck, the reaction force will be generated), at this time, the two feeding rollers 110 will be separated (since the guide rod 112 is located in the corresponding slot 114, and the feeding roller 110 will be limited by the pulling spring 115 when the material is stuck, so even if the feeding roller 110 is separated, the guide rod 112 will not completely separate from the corresponding slot 114), in the process of separating the two feeding rollers 110, the guide rod 112 inserted in the corresponding slot 114 will be subjected to the force of separating from the corresponding slot 114, at this time, the spiral blade 111 will be displaced to release the stuck state, when the feeding is restored, the two adjacent feeding rollers 110 will be reset under the action of the pulling spring 115 (when the spiral blade 111 is displaced, the spiral blade 111 will give the stuck stone an axial pushing force to release the stuck state, more specifically, when the stone is stuck, the stone will be stuck radially between the spiral blade 111 and the discharge pipe 9 (radially stuck, specifically, the stone is stuck in the vertical direction), that is, the spiral blade 111 will give the stone a radial force, so when the spiral blade 111 is displaced to give the stone an axial pushing force, the stuck state can be released);
[0038] With the resetting of the feeding roller 110, the guide rod 112 will move back to the inside of the corresponding slot 114, in the process of moving into the corresponding slot 114, the cleaning head 113 will push the material falling outside the guide rod 112 into the corresponding slot 114, and then discharged through the discharge window 116, thereby avoiding the material affecting the resetting of the adjacent feeding roller 110 (the connection state of the guide rod 112 and the corresponding slot 114 is as shown in Fig. 7 ).
[0039] By rotating the corresponding limiting screw rod 118 to move it into the feeding roller 110, the limiting screw rod 118 is inserted into the pulling spring 115, thereby limiting the extension length of the pulling spring 115, so as to control the elastic force of the pulling spring 115, thereby making the spiral feeding structure 11 applicable to different materials, thereby increasing the practicability of the device of the utility model.
[0040] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art within the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, makes equivalent replacement or change, should be covered in the protection scope of the utility model.
Claims
1. A subgrade earthwork filling device with anti-blocking function, comprising a support frame (1), characterized in that, The upper end of the support frame (1) is fixedly connected with a mixing bin (2), the upper end of the mixing bin (2) is rotatably connected with a top cover (3) for preventing material splashing, and the upper end of the mixing bin (2) is fixedly connected with a feeding hopper (5) for facilitating feeding; The upper end of the support frame (1) is also fixedly installed with a power motor (7) for providing power for the mixing bin (2), the output end of the power motor (7) is connected with a gearbox (6), the inside of the mixing bin (2) is rotatably connected with two stirring rods (12), the outer wall of the stirring rod (12) is also fixedly connected with a plurality of stirring blades (13) for mixing material, the two ends of the two stirring rods (12) are located outside the mixing bin (2), and the end of the stirring rod (12) close to the power motor (7) is fixedly connected with a driven gear (8), and the driven gear (8) is connected with the output end of the gearbox (6); The end of the mixing bin (2) away from the power motor (7) is fixedly connected with two groups of vibration assemblies (14) for improving the mixing effect, the lower end of the mixing bin (2) is provided with a discharge port, the lower end of the discharge port is also fixedly connected with a discharge pipe (9), the inside of the discharge pipe (9) is installed with a spiral feeding structure (11), and the lower end of the support frame (1) is also fixedly connected with a driving motor (10), the output shaft of the driving motor (10) is connected with the spiral feeding structure (11); The spiral feeding structure (11) comprises a plurality of feeding rollers (110), the outer wall of the feeding roller (110) is fixedly connected with a spiral blade (111), one end of the feeding roller (110) is fixedly connected with a guide rod (112), and the other end is provided with a corresponding groove (114); Two adjacent feeding rollers (110) are connected through the guide rod (112) and the corresponding groove (114), and the inside of the corresponding groove (114) is fixedly connected with a pulling spring (115).
2. The roadbed earthwork filling device with anti-blocking function according to claim 1, characterized in that, The pulling spring (115) is fixedly connected with the guide rod (112) inserted into the corresponding groove (114).
3. The roadbed earthwork filling device with anti-blocking function according to claim 2, characterized in that, The outer wall of the guide rod (112) is also fixedly connected with a cleaning head (113), and the outer wall of the feeding roller (110) is also provided with a plurality of discharge windows (116), the discharge window (116) is in communication with the corresponding groove (114).
4. The roadbed earthwork filling device with anti-blocking function according to claim 3, characterized in that, A plurality of adjusting holes (117) are formed in the outer wall of the feeding roller (110), a limiting screw (118) is threadedly connected in each adjusting hole (117), and the limiting screw (118) is arranged in a curve shape on the outer wall of the feeding roller (110).
5. The roadbed earthwork filling device with anti-blocking function according to claim 1, characterized in that, The vibration assembly (14) comprises a rotating frame (140), which is sleeved at one end of the stirring rod (12) away from the power motor (7), two threaded sleeves (145) are symmetrically connected in the rotating frame (140), a sliding rod (141) is slidably connected in the threaded sleeve (145), a reset spring (142) is sleeved at the outer portion of the sliding rod (141), the outer wall of the mixing bin (2) is further fixedly connected with a vibrating disc (143), and the outer wall of the vibrating disc (143) is fixedly connected with a plurality of wedge blocks (144).